new- 430 rebuild

Hi. I'm new to the site and new to rebuilding engines. I have a 65 lincoln with a running 430 and i have a parts car that my brother and i took the 430 out of and want to rebuild for performance. what do i do now/ next. Any help would be cool.

Here are the cars



here is the running engine






and here is the engine out of the parts car. I don't know if it runs








thanks!